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2026540900 = 225220265409
BaseRepresentation
bin111100011001010…
…1000111101100100
312020020021221111101
41320302220331210
513122243302100
6533031445444
7101135212336
oct17062507544
95206257441
102026540900
1194aa2519a
12486826884
13263b0aa37
14153207456
15bcda686a
hex78ca8f64

2026540900 has 18 divisors (see below), whose sum is σ = 4397593970. Its totient is φ = 810616320.

The previous prime is 2026540891. The next prime is 2026540903. The reversal of 2026540900 is 90456202.

It can be written as a sum of positive squares in 3 ways, for example, as 820836 + 2025720064 = 906^2 + 45008^2 .

It is not an unprimeable number, because it can be changed into a prime (2026540903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10132605 + ... + 10132804.

Almost surely, 22026540900 is an apocalyptic number.

2026540900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2026540900 is an abundant number, since it is smaller than the sum of its proper divisors (2371053070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2026540900 is a wasteful number, since it uses less digits than its factorization.

2026540900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20265423 (or 20265416 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2026540900 is about 45017.1178553225. The cubic root of 2026540900 is about 1265.4698166892.

The spelling of 2026540900 in words is "two billion, twenty-six million, five hundred forty thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 20265409 40530818 81061636 101327045 202654090 405308180 506635225 1013270450 2026540900